1 /**************************************************************************
2 Ghosts Overboard - a game 'Meego 1.2 Harmattan'
4 Copyright (C) 2011 Heli Hyvättinen
6 This file is part of Ghosts Overboard
8 Ghosts Overboard is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 **************************************************************************/
24 #include "orientationcontrolledgraphicspixmapobject.h"
26 #include <QGraphicsScene>
27 #include <QPropertyAnimation>
29 //OrientationControlledGraphicsPixmapObject::OrientationControlledGraphicsPixmapObject (QGraphicsItem *parent) :
30 // QObject(), QGraphicsPixmapItem (parent)
35 OrientationControlledGraphicsPixmapObject::OrientationControlledGraphicsPixmapObject(QPixmap pixmap, QGraphicsItem *parent) :
36 QObject(), QGraphicsPixmapItem (pixmap, parent)
39 connect(&rotationSensor_,SIGNAL(readingChanged()),this,SLOT(readRotationSensor()));
41 // qrangelist rangelist = rotationSensor_.availableDataRates();
43 // qDebug() << rangelist.length() << "ranges found";
44 // foreach (qrange range, rangelist)
46 // qDebug() << "Rotation sensor: " << range.first <<", " << "range.second";
50 void OrientationControlledGraphicsPixmapObject::startMoving()
52 rotationSensor_.start();
53 // qDebug() << "started the sensor";
54 // qDebug() << rotationSensor_.isActive();
58 void OrientationControlledGraphicsPixmapObject::stopMoving()
60 rotationSensor_.stop();
61 // qDebug () << "trying to stop the sensor";
64 void OrientationControlledGraphicsPixmapObject::readRotationSensor()
66 if (!scene()) //no movement if this item does not belong to a scene
69 QRect sceneRectangle = scene()->sceneRect().toRect();
72 QRotationReading* pSensorData = rotationSensor_.reading();
74 // int deltay = pSensorData->x(); //yes, in Maemo 5 you need the "x" value from the sensor for "y" direction in the scene...
75 // int deltax = pSensorData->y(); //...and vice versa
77 int deltay = -pSensorData->y(); //But in Harmattan, you need the "y" value from the sensor for "y" direction in the scene...
78 int deltax = pSensorData->x(); //...and x for x (when in landscape)
79 //and you need to reverse the y value
81 // qDebug() << deltax << " " << deltay;
86 //this is how it works on maemo
87 // int newx = x() + deltax/15;
88 // int newy = y() + deltay/15;
90 //this is for Harmattan
91 int newx = x() + deltax/3;
92 int newy = y() + deltay/3;
95 // qDebug() << sceneRectangle.left() << sceneRectangle.right();
99 int finalX = qBound(sceneRectangle.left(),newx,sceneRectangle.right()-pixmap().width());
100 int finalY = qBound(sceneRectangle.top(),newy,sceneRectangle.bottom()-pixmap().height());
104 QPropertyAnimation * animation = new QPropertyAnimation(this,"pos",this);
105 animation->setDuration(60); //milliseconds
106 animation->setStartValue(pos());
107 animation->setEndValue( QPointF(finalX,finalY));
108 animation->start(QAbstractAnimation::DeleteWhenStopped);
110 //handle collisions and move back to the original position if false returned
112 // if (handleCollisions() == false)
121 bool OrientationControlledGraphicsPixmapObject::handleCollisions()
127 void OrientationControlledGraphicsPixmapObject::setPos(const QPointF &pos)
129 QPointF oldPos = OrientationControlledGraphicsPixmapObject::pos();
131 QGraphicsPixmapItem::setPos(pos);
133 if (!handleCollisions())
135 QGraphicsPixmapItem::setPos(oldPos);